Perhaps you should try some spelling variations:
local poverty » global poverty, total poverty, rural poverty
poverty a » poverty _, poverty data
a robust » _ robust
heitmannn » heitmann, heimann, neitmann
book » books, ebook
eebookss » eebooksss, eeebookss, ebooks
heilmann » heilemann, heimann, heitmann

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( local poverty a. heitmannn book ) or ( a robust _. heilmann eebookss ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( local poverty a. heitmannn book ) OR ( a robust _. heilmann eebookss ))*.